linux-kernel - [RFC 2/9] irq_work: add irq_work_queue_on for !CONFIG

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Message-Id: <85403db254e26655d608137d7df49ebf3aade0c3.1489058244.git.viresh.kumar@linaro.org>
Date:   Thu,  9 Mar 2017 17:15:12 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rafael Wysocki <rjw@...ysocki.net>, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        smuckle.linux@...il.com, juri.lelli@....com,
        Morten.Rasmussen@....com, patrick.bellasi@....com,
        eas-dev@...ts.linaro.org, Viresh Kumar <viresh.kumar@...aro.org>
Subject: [RFC 2/9] irq_work: add irq_work_queue_on for !CONFIG_SMP

From: Steve Muckle <smuckle.linux@...il.com>

Having irq_work_queue_on() available for !CONFIG_SMP can make some
call sites cleaner.

Signed-off-by: Steve Muckle <smuckle.linux@...il.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 include/linux/irq_work.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index 47b9ebd4a74f..0195c3502d6b 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_IRQ_WORK_H
 #define _LINUX_IRQ_WORK_H
 
+#include <linux/bug.h>
 #include <linux/llist.h>
 
 /*
@@ -36,6 +37,12 @@ bool irq_work_queue(struct irq_work *work);
 
 #ifdef CONFIG_SMP
 bool irq_work_queue_on(struct irq_work *work, int cpu);
+#else
+static inline bool irq_work_queue_on(struct irq_work *work, int cpu)
+{
+	BUG_ON(cpu != 0);
+	return irq_work_queue(work);
+}
 #endif
 
 void irq_work_tick(void);
-- 
2.7.1.410.g6faf27b